Isochronicity via normal form Antonio AlgabaEmilio FreireEstanislao Gamero OriginalPaper Pages: 133 - 156
A question of divisibility of an analytic germ by a polynomial Zofia Denkowska OriginalPaper Pages: 157 - 162
Cubic Liénard equations with quadratic damping having two antisaddles Freddy DumortierRobert E. KooijChengzhi Li OriginalPaper Pages: 163 - 209
On the vanishing set of inverse integrating factors Lucio R. BerroneHector J. Giacomini OriginalPaper Pages: 211 - 230
Deformation of the holonomy of a Lefschetz Pencil Omegar Calvo-Andrade OriginalPaper Pages: 231 - 245